Fault name a) The hot stamping layer is not firmly bonded to the substrate, and it is easy to peel off the cause and countermeasures. (1) The foil adhesive does not match the material of the substrate. The foil type should be replaced.
(2) The surface of the product has a release agent, abrasive, dust, fingerprints and oil stains. The surface of the product should be wiped with a solvent such as alcohol.
(3) The hot stamping temperature is too low. Should be properly improved.
(4) The hot stamping pressure is too small. Should be properly improved.
(5) The hot stamping time is too short. Should be extended appropriately.
(6) The foil expires and the adhesive fails. New foils should be replaced and expired hot stamping foils should not be used.
(7) The reverse side of the hot stamping surface has reinforcing ribs or other structures of different heights, resulting in uneven stamping pressure. The hollow part should be held from the inside of the product to keep the pressure on the hot stamping surface uniform. B) The cause of coking discoloration in the hot stamping layer and countermeasures (1) The hot stamping temperature is too high. Should be appropriately reduced.
(2) Heating bodies such as rubber sheets, stamps, and rubber rollers are too close to the hot stamping foil. The distance between the heating body and the hot stamping foil should be appropriately increased.
(3) The hot stamping time is too long. Appropriately shorten C) Causes and countermeasures for the loss of light on the surface of the hot stamping layer (1) The hot stamping temperature is high. Should be appropriately reduced.
(2) The hot stamping time is long. Should be shortened as appropriate.
(3) The distance between the hot stamping foil and the heating body is too small. Appropriately increase D) Causes of wrinkling of hot stamping layer and countermeasures (1) Rubber plate, printing touch, rubber roller and hot stamping foil are too close. The distance should be properly controlled.
(2) The temperature of the Rubber Sheet, stamp and rubber roller is too high. Should be appropriately reduced.
(3) The window hole and other parts of the product are not padded, and the hot stamping pressure is not uniform. The hollow part of the product should be solidified to keep the hot stamping pressure uniform.
(4) Hot stamping foil gives people unevenness. The foil feeding device should be inspected.
(5) The surface tension of the hot stamping foil is too small. Should increase the tension properly, tighten the hot stamping foil E) local leakage of foil leakage and surface spots and countermeasures (1) oily dirt and dust on the surface of the product. Alcohol should be used to wipe the hot stamping surface of the product to remove oil and dust.
(2) Forming faults such as bubbles, shrinkage and severe surface silver on the surface of the product. Measures should be taken to resolve the product during the molding process.
(3) The quality of the hot stamping foil surface release agent is too poor and the release property is poor. It should be replaced with a hot stamping foil with good separation.
(4) There are burrs on the surface of the product. Surface burrs should be removed.
(5) The tire jig is defective. The support effect is poor and the hot stamping pressure is not balanced. The structure of the tire clamp should be improved, and the pressure on the hot stamping surface should be adjusted to balance. (6) The hot stamping temperature is not uniform or the temperature is low. The hot stamping temperature should be adjusted appropriately, and the position of the rubber roller should be moved. For the lack of foil, the sanding can be smoothed or re-hot or partially filled. F) Causes and countermeasures of product cracking after hot stamping (1) Poor support of the tire clamp, local stress concentration . The structure of the tire clamp should be improved to make the stamping surface evenly stressed.
(2) The hot stamping pressure is too high. Should be appropriately reduced.
(3) There are obvious molding defects such as weld marks and flow marks on the hot stamping surface. The molding process of the product should be adjusted in a targeted manner. G) Surface formation causes and countermeasures after hot stamping (1) The hot stamping temperature is too high. Should be appropriately reduced.
(2) The hot stamping pressure is too large. Should be appropriately reduced.
(3) Poor positioning during hot stamping. The positioning should be corrected.
(4) The design of hot stamping parts is unreasonable. At the time of design, hot stamping products should have the following structural features:
(5) A product having a convex shape, the height of the protrusion is not less than 0.8 m.
H) Causes and countermeasures for surface deformation of the product after hot stamping (1) The width of the raised rib is not less than 0.25 mm. When possible, the top surface of the rib may be slightly convex. 1mm shape.
(2) The distance between the rib at the bottom of the product and the side wall is not less than 6 nm.
(3) The distance between the rib and the side wall at the bottom of the inclined side of the product is at least 1.5 mm.
(4) When several convex ribs are hot-printed in several colors, the distance between the ribs is not less than lmm
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Air Conditioner Anti Vibration Rubber Mount
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Renqiu Xingcheng Rubber Products Co., Ltd. , https://www.rubbermats.nl